Question

write three important features of the aravalli hills

Answer 1

1. The aravalli hills are the oldest fold mountains lying on the north-western side of Peninsular plateau.
2. The hills are rich in minerals like copper.
3. Various farmer's daily bread is associated with arravali range as alluvial soil is found in arravalli range. Some crops are rice, cotton, etc.. 
Timber and various kinds of woods are also found.

Answer 2

The Aravali hills lies on the western and northwestern margin of the peninsular plateau.
They are the oldest mountain range . hope this answer helpful for you.